Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://archism.ru/uplcv?utm_term=curriculo+pronto+word+2018+pdf PDF link annotation

  • https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/55dab4e668c60a98444e376cb88bbc52/fuxolutogu.pdfIn PDF document text
  • https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/lk98eab1q5hma377h4patjqcm5/mikoguvonivaxotaraz.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16090307bb538d---zukibabaputep.pdfIn PDF document text
  • https://salvatoredivilio.it/userfiles/file/892699087.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a912d517988---posiradixama.pdfIn PDF document text
  • http://starrsgazette.com/admin/images/file/72122876652.pdfIn PDF document text
  • http://alimentosldm.com/userfiles/file/75248271447.pdfIn PDF document text
  • https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/16083a56fe3227---813608893.pdfIn PDF document text
  • http://epicridesnepal.com/files/xevewoliranepajura.pdfIn PDF document text
  • https://computerzone.pk/file/topamufemidojowor.pdfIn PDF document text
  • http://davidhammerstein.org/userfiles/file/51895924250.pdfIn PDF document text
  • https://perfecthospital.org/FCKeditor/file/luvexefasaduzimezine.pdfIn PDF document text
  • http://dearbornshs70reunion.com/clients/c/c6/c6cacd1d9512a3effe7244eb89d69e0e/File/liwadabufuzep.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a31274cd57b---54943605763.pdfIn PDF document text
  • https://slide-bearing.com/d/files/53907971314.pdfIn PDF document text
  • https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/d7aed0ec3cf3b2e4ad48a12d4e431669/75796470261.pdfIn PDF document text
  • https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/4832fa736390552b77d3bfa6752680b6/nesegosogiwipud.pdfIn PDF document text
  • https://tumsad.org/img/editor/image/file/38640035074.pdfIn PDF document text
  • http://www.nomorcantikjoss.com/file/87820620628.pdfIn PDF document text
  • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/859e412541f5d34098eb17ca4dceeede/73422475368.pdfIn PDF document text
  • http://soundreaming.org/wp-content/plugins/super-forms/uploads/php/files/fd4baac36101aba5674eede2c23ff2c9/satoribibik.pdfIn PDF document text
  • http://odesignlab.ru/admin/ckfinder/userfiles/files/86897683423.pdfIn PDF document text
  • https://portecitadelle.portecitadelle.ca/ckfinder/userfiles/files/mezigujemezafulowira.pdfIn PDF document text
  • http://www.benyowsky.com/resources/files/67291569015.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/76bf95cb4576e4be50d75bfe2c2af510/bepij.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/2d49816012805aac6b6cd74bcdadfa29/suxufabeluk.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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